khozouie, N., Farjami, Y. and Rafighi, masoud 2014. Maintenance ERP Risk management for the Service Industry case study: Hajj and Pilgrimage Organization. INTERNATIONAL JOURNAL OF MANAGEMENT & INFORMATION TECHNOLOGY. 10, 2 (Jul. 2014), 1881–1887. DOI:https://doi.org/10.24297/ijmit.v10i2.640.